Hydrocarbon-burner.



'L. A. SHERMAN.

HYDROGARBON BURNER. APPLICATION FILED JAN. 11, 1909.

953,441 Patented Mar. 29, 1910.

2 SHEETS-SHEET 1.

L. A. SHERMAN.

HYDROGARBON BURNER.

APPLICATION FILED JAN. 11, 1909.

Patented Mar. 29, 1910.

2 SHEETS-SHEET 2.

"IE-ll -g.&% mm-12% WM GM 3 citizen of the United States, residing atDe- -taius to make and use the same, reference being had to theaccompanying,

bottom portion, V shaped in cross section;

LOUIS A. SHERMAN, OF DETROIT, MICHIGAN.

HYDHOCARIBON-BURNER.

Specification of Letters Patent. Patented Mar. 29, 1910.

Application filed January 11, 1909. Serial No. 471,599.

To all whom it may concern:

Be it known that I, LOUIS A. SHERMAN, a

troit, county of Wayne, State of Michigan, have invented a certain newand useful Improvement in Hydrocarbon-Burners, and declare the followingto be a full, clear, and exact description of the same, such as willenable others skilled in art to which it perdrawings, which form a partof this specification.

This invention relates to hydrocarbon burners, and has for its object animproved device of this type adapted to cooperate with the walls of theforaminous superposed vaporizing member in securing more perfectcombustion of the fluidintroduced into the trough.

In the drawings: Figure 1, is a plan View of the trough portion of thedevice. Fig. 2, is a sectional elevation (partly in section) of theburner trough along the line a-a of Fig. 1 and of the correspondingportion of the superposed vaporizing member. Fig. 3 is a sectional viewot the severed half of the vaporizing member and trough, showing theapertured burner member resting on the shoulders of the trough. Fig. 4,is a sectional View of a half of the burner trough.

Through a feed pipe 1 there is introduced from a suitable source ofsupply a supply of hydrocarbon into the concentrically arranged troughs2 and 3; these are, at their from the top of these oblique portions P ofthe walls of the trough-rise short vertical portions, which in turnflange outwardly in a horizontal direction (particularly Figs. 8 and 41)and finally rise vertically once more with these uppermost portions 4:of the wall formed integral with these last-named horizontal portions.From the inner faces of these vertical portions 4 of the wall projectintegral shoulders t, which extend outwardly over the horizontalportions of the trough wall toward those on the opposite and ahorizontal inner face. Similarly, at intervals about the top surface ofthe horizontal portions of the trough wall, rise integral bottom knobsor shoulders 7, which, like the shoulders t, are relatively so far apartas to be negligible as t regards obstruction, with their mass, of the{low of a current of air past their... Upon these knobs 7 rests thebottom edge oi the sawed or ribbed vaporizing member (5 whose t wall asthus constituted is held together, with the ribs 8 suitably spaced fromone another, by the vertically extending bars or rods 5 which arepreferably either attached to, or made integral with, the ribs. Thesebars extend either outwardvoriinward, as the case may be, sufficientlyfar to reach over the top edge of the adjacent wall portion 4 of thehydrocarbon trough.

As shown in both Figs. 2 and 3 the various series of concentricallyarranged ribbed vaporizing members 6 are of such diameter, that, asarranged with respect to one another and to the supporting trough, theirlower ends which extend somewhat below the lower edge of the bars 5, mayengage within the opposing vertical upper portions 4 of the troughwalls. Their diameter is made to be such with respect to the diameter ofthe adjacent wall of the trough, that, if accurately centered, therewill be a space or air slit all about the lower end of each between itand the adjacent vertical wall portion 4 which, however, would be veryunlikely to be maintained were it not for the presence of the laterallyprojecting shoulders 4, which, without appreciably diminishing thepossible flow of air through the slit or channel thusleft between theparts, serve to evenly and uniformly space the lower edges of theseribbed vaporizing members 6 from the plane face of the wall, thusleaving this air channel .7 which is thus maintained between the wall 4and the lower edge of the ribbed vaporizing member unimpeded."

When the burner is lighted in the first instance, it is designed thatatmospheric air be drawn in through this slit or channel 7 which, crosssectionally has both a vertical branch, throughout the trough, by therise of the above the open top of the trough due to-its combustiveheating. At this stage of use the device is of course, comparativelycool, but as the heat of the metal parts increases the need of: thissupply of air diminishes, and the intensity of the heat about thechannel 7 serves to diminish to almost nothing the quantity of enteringair; in its place a stream or sheet periphery of the air initially justot' heated air rises from the vicinity of the top of the vertical'wall49 and of the channel 7 on the out-side of" the ribbed vaporizing wall6. W hen the device is fully heated 'ization takes place, without theaid air about the top of the trough,

eaaaai almost as fast as the hydrocarbon enters the 1 tion oi. its wallsin contact with said pro trough through the pipe 1, aided, of course,bythe constant entrance of air through the slitted or sawed apertures inthe vaporizing member 6. Vhen the device has cooled from cessation ofthe combustion it is again ready for the initial aiding flow of air,which it is the otlice of the channel 7* to carry.

\Vhile I have illustrated and described a foraminous vaporizing member 6whose walls are ribbed, I have found that any one of several types maybe used so long as they are of the proper size to cooperate with thespacing shoulder parts 4 and 7. If the vertical rods 5 are used for thepurpose of resting upon the upper edge of the vertical wall 4 of thetrough, it is immaterial just whatspacing distance be observed betweenthem, though of course, at least three must be used in order to haveenough bearing points to properly support the vaporizing member. If theperforated wall were used the inrush of air through the top portions ofthe foraminous member would be in the form of streams rather than sheetsof air.

IVhat I claim is 1. In a hydrocarbon burner, in combination with anoil-containing trough having a V shaped lower portion and vertically arranged side walls integral therewith, the upper portion of said wallsbeing provided with spaced shoulder portions, extending both fromhorizontal and from vertical faces of the wall, a vaporizing chambermember provided with laterally projecting lug members adapted to rest011 the top of said integral wall portions and to thereby support saidvaporizing chamber member in desired relation to said trough with thelower porjecting shoulder pt tions, whereby there is maintained betweer0 top of said integral side wall portions of the trough and the bot tomof the vapor g chamber member a channel for the ini al iiow of air intothe trough portion, substantially as described.

2. In a hydrocarbon burner, in combina tion with an annular burnertrough V- shaped in cross-section at its bottom portion, and having theupper portions of its side walls substantially perpendicular, shoulderson said upper portions of the side walls projecting in a phirality ofdirections therefrom, and an annular vaporizing member whose aperturedside walls rest on the top of said burner trough, being spaced fromundesirably close contact therewith by said shoulders, whereby there ismaintained between said member and trough a channel for the admission ofair into the vicinity'of the burner trough, substantially as described.

3. A hydrocarbon burner member, having a plurality of concentricallyarranged fuel troughs, the upper portion of the side walls of eachtrough having correlated horizontal and vertical portions from whichshoulder portions project. and by engagement against which said shoulderportions the lower portions of the walls of a vaporizing membersuperposed thereupon are spaced from these faces of the wall, therebymaintaining an annular channel therebetween through which a protectingsheet of air may enter above each fuel trough, substantially asdescribed.

In testimony whereof, I sign this specification in the presence of twowitnesses.

LUUIS A. SHERMAN. Witnesses:

C. E. JENNINGS,

WILLIAM M. SWAN.

